The service and repair manual for the 2021 INFINITI Q50 — 3.0L V6 and 3.5L V6 engines, 11 trims. Matched to this exact model year, so the specifications and sequences are the ones INFINITI published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 3.0L V6 — 183 cu in, DOHC, turbocharged 3.5L V6 — 213 cu in, DOHC |
| Trims | Sensory Sedan 4-Door · Red Sport 400 Sedan 4-Door · Hybrid Sedan 4-Door · Luxe Sedan 4-Door · Sport Plus Sedan 4-Door · Red Sport I-Line ProACTIVE Sedan 4-Door +5 |
| Federal record | 2 recalls · 6 complaints · 111 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 Q50 manual
03 / ContentsSections in the manual
- Quick Lookups 820
- General Information 1,469
- Accessories & Equipment 11,787
- Heating, Ventilation & A/C (HVAC) 423
- Body & Frame 2,066
- Maintenance 42
- Brakes 1,190
- Restraints 3,619
- Drivelines & Axles 225
- Steering 2,647
- Electrical 3,812
- Suspension 405
- Engine Mechanical 351
- Transmission 793
- Engine Performance 4,348
- Front Axle Nut (AWD) 92
- Front Hub Bolts 65
- Rear Axle Nut 65
- Radiator Cap Pressure 18
04 / Known issuesRecalls on federal record for the 2021 Q50
- Engine And Engine Cooling — engine › engine control module (ecu/ecm) › softw · 21V234000A lack of fuel may cause an engine stall, increasing the risk of a crash.
- Back Over Prevention — display function · 21V599000A rear-view camera that does not display an image reduces the driver's rear view, increasing the ris.
Owners have filed 6 complaints and INFINITI has issued 111 technical service bulletins for the 2021 Q50. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 Q50 manual
Is this manual specific to the 2021 Q50?
Yes. It is the OEM manual matched to the 2021 model year, covering the 3.0L V6 and 3.5L V6 across the Sensory Sedan 4-Door, Red Sport 400 Sedan 4-Door, Hybrid Sedan 4-Door, Luxe Sedan 4-Door, Sport Plus Sedan 4-Door, Red Sport I-Line ProACTIVE Sedan 4-Door, Pure Sedan 4-Door, Signature Edition Sedan 4-Door, Essential Tech Sedan 4-Door, Sport Tech Sedan 4-Door, Red Sport I-Line Sedan 4-Door trims. Specifications and procedure sequences are the ones INFINITI published for this year.
What 2021 Q50 problems does it help with?
2 recalls are on federal record for the 2021 Q50, covering engine and engine cooling, back over prevention. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by INFINITI dealers.
Does it include 2021 Q50 wiring diagrams?
Yes — the complete wiring diagrams for the 2021 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $49.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther Q50 years and 2021 INFINITI models
2024 Q50 · 2023 Q50 · 2022 Q50 · 2020 Q50 · 2019 Q50 · 2018 Q50 · 2017 Q50 · 2016 Q50 · 2015 Q50 · all 11 years
2021 INFINITI Q60 · 2021 INFINITI QX50 · 2021 INFINITI QX60 · 2021 INFINITI QX80 · every 2021 model